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Check out the hottest science posts for December 2013, fresh from the Scientific American blog network. Carin Bondar, the biologist with a twist, is your host.

Featured in this episode:

Melanie Tannenbaum: http://blogs.scientificamerican.com/psysociety/2013/04/02/benevolent-sexism/

Darren Naish: http://blogs.scientificamerican.com/tetrapod-zoology/2013/11/30/tool-use-in-crocs-and-gators/

Scott Kaufman: http://blogs.scientificamerican.com/beautiful-minds/2013/08/26/23-signs-youre-secretly-a-narcissist-masquerading-as-a-sensitive-introvert/

Becky Crew: http://blogs.scientificamerican.com/running-ponies/2013/03/21/the-sheepshead-fish-has-human-teeth-but-its-okay-because-it-wont-give-you-a-psychedelic-crisis/

Patrick Mustain: http://blogs.scientificamerican.com/guest-blog/2013/05/19/dear-american-consumers-please-dont-start-eating-healthfully-sincerely-the-food-industry/

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